CA1041736A - Separation de phase de calcium et du magnesium de certains effluents - Google Patents

Separation de phase de calcium et du magnesium de certains effluents

Info

Publication number: CA1041736A
Authority: CA; Canada
Prior art keywords: separated; aqueous; magnesium; lime; water
Prior art date: 1973-12-27
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA292,977A

Other languages

English (en)

Inventor

Alvin P. Black

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1973-12-27

Filing date

1977-12-13

Publication date

1978-11-07

1977-12-13 Application filed by Individual filed Critical Individual

1978-11-07 Application granted granted Critical

1978-11-07 Publication of CA1041736A publication Critical patent/CA1041736A/fr

Status Expired legal-status Critical Current

Links

239000011777 magnesium Substances 0.000 title claims abstract description 111
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 102
229910052749 magnesium Inorganic materials 0.000 title claims abstract description 101
239000011575 calcium Substances 0.000 title claims abstract description 39
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 36
229910052791 calcium Inorganic materials 0.000 title claims abstract description 36
238000005191 phase separation Methods 0.000 title abstract description 10
229910001868 water Inorganic materials 0.000 claims abstract description 230
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 228
239000010802 sludge Substances 0.000 claims abstract description 172
239000004571 lime Substances 0.000 claims abstract description 125
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 124
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 124
238000000034 method Methods 0.000 claims abstract description 124
238000011282 treatment Methods 0.000 claims abstract description 115
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 109
229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 51
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 48
239000001095 magnesium carbonate Substances 0.000 claims abstract description 48
229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 47
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 47
239000000347 magnesium hydroxide Substances 0.000 claims abstract description 47
229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 47
239000000701 coagulant Substances 0.000 claims abstract description 42
239000003546 flue gas Substances 0.000 claims abstract description 37
239000007791 liquid phase Substances 0.000 claims abstract description 36
229940037003 alum Drugs 0.000 claims abstract description 16
238000005188 flotation Methods 0.000 claims abstract description 12
239000000047 product Substances 0.000 claims description 106
235000012254 magnesium hydroxide Nutrition 0.000 claims description 46
239000002002 slurry Substances 0.000 claims description 44
239000007787 solid Substances 0.000 claims description 44
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 32
238000000926 separation method Methods 0.000 claims description 30
230000008569 process Effects 0.000 claims description 28
239000002699 waste material Substances 0.000 claims description 27
229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
239000000376 reactant Substances 0.000 claims description 19
239000007788 liquid Substances 0.000 claims description 17
239000002244 precipitate Substances 0.000 claims description 16
239000001569 carbon dioxide Substances 0.000 claims description 13
239000007789 gas Substances 0.000 claims description 12
238000001354 calcination Methods 0.000 claims description 11
230000003311 flocculating effect Effects 0.000 claims description 10
238000010438 heat treatment Methods 0.000 claims description 8
239000011872 intimate mixture Substances 0.000 claims description 8
239000000203 mixture Substances 0.000 claims description 7
238000009291 froth flotation Methods 0.000 claims description 5
238000005201 scrubbing Methods 0.000 claims description 2
229960000816 magnesium hydroxide Drugs 0.000 claims 25
238000002156 mixing Methods 0.000 claims 23
229940088417 precipitated calcium carbonate Drugs 0.000 claims 17
235000001055 magnesium Nutrition 0.000 claims 11
229940091250 magnesium supplement Drugs 0.000 claims 11
238000001035 drying Methods 0.000 claims 3
238000001816 cooling Methods 0.000 claims 1
230000003467 diminishing effect Effects 0.000 claims 1
239000000126 substance Substances 0.000 abstract description 31
QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 abstract description 19
229910000022 magnesium bicarbonate Inorganic materials 0.000 abstract description 19
239000002370 magnesium bicarbonate Substances 0.000 abstract description 19
235000014824 magnesium bicarbonate Nutrition 0.000 abstract description 19
238000011109 contamination Methods 0.000 abstract description 7
230000000694 effects Effects 0.000 abstract description 6
230000007613 environmental effect Effects 0.000 abstract description 4
239000008394 flocculating agent Substances 0.000 abstract 1
241000196324 Embryophyta Species 0.000 description 75
239000000306 component Substances 0.000 description 55
238000011084 recovery Methods 0.000 description 49
235000010216 calcium carbonate Nutrition 0.000 description 39
229960005069 calcium Drugs 0.000 description 32
229960003563 calcium carbonate Drugs 0.000 description 29
235000014380 magnesium carbonate Nutrition 0.000 description 25
238000006243 chemical reaction Methods 0.000 description 22
239000012065 filter cake Substances 0.000 description 17
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 16
239000004927 clay Substances 0.000 description 14
239000000706 filtrate Substances 0.000 description 14
239000003643 water by type Substances 0.000 description 14
239000000243 solution Substances 0.000 description 12
239000002562 thickening agent Substances 0.000 description 11
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
239000006227 byproduct Substances 0.000 description 10
239000000463 material Substances 0.000 description 10
150000002500 ions Chemical class 0.000 description 9
238000003860 storage Methods 0.000 description 9
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
230000015572 biosynthetic process Effects 0.000 description 6
239000013505 freshwater Substances 0.000 description 6
239000012071 phase Substances 0.000 description 6
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 5
239000000292 calcium oxide Substances 0.000 description 5
235000012255 calcium oxide Nutrition 0.000 description 5
238000004040 coloring Methods 0.000 description 5
239000003344 environmental pollutant Substances 0.000 description 5
239000008233 hard water Substances 0.000 description 5
238000011065 in-situ storage Methods 0.000 description 5
238000001556 precipitation Methods 0.000 description 5
238000010977 unit operation Methods 0.000 description 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
238000001914 filtration Methods 0.000 description 4
238000005189 flocculation Methods 0.000 description 4
230000016615 flocculation Effects 0.000 description 4
239000008396 flotation agent Substances 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
238000004064 recycling Methods 0.000 description 4
230000009471 action Effects 0.000 description 3
238000005273 aeration Methods 0.000 description 3
239000008346 aqueous phase Substances 0.000 description 3
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
239000000356 contaminant Substances 0.000 description 3
238000010952 in-situ formation Methods 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 3
239000008234 soft water Substances 0.000 description 3
150000001412 amines Chemical class 0.000 description 2
230000001112 coagulating effect Effects 0.000 description 2
230000001276 controlling effect Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
231100000719 pollutant Toxicity 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000004576 sand Substances 0.000 description 2
235000017550 sodium carbonate Nutrition 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
230000007928 solubilization Effects 0.000 description 2
238000005063 solubilization Methods 0.000 description 2
230000002269 spontaneous effect Effects 0.000 description 2
239000003784 tall oil Substances 0.000 description 2
VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
150000004684 trihydrates Chemical group 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
244000021685 Mesembryanthemum crystallinum Species 0.000 description 1
239000007832 Na2SO4 Substances 0.000 description 1
240000008881 Oenanthe javanica Species 0.000 description 1
102000018210 Recoverin Human genes 0.000 description 1
108010076570 Recoverin Proteins 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
RWDBMHZWXLUGIB-UHFFFAOYSA-N [C].[Mg] Chemical compound [C].[Mg] RWDBMHZWXLUGIB-UHFFFAOYSA-N 0.000 description 1
238000013019 agitation Methods 0.000 description 1
-1 alum Substances 0.000 description 1
229910052925 anhydrite Inorganic materials 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
229940043430 calcium compound Drugs 0.000 description 1
150000001674 calcium compounds Chemical class 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
235000011116 calcium hydroxide Nutrition 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
230000008859 change Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000005352 clarification Methods 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
239000006103 coloring component Substances 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
235000014113 dietary fatty acids Nutrition 0.000 description 1
MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
239000000194 fatty acid Substances 0.000 description 1
229930195729 fatty acid Natural products 0.000 description 1
150000004665 fatty acids Chemical class 0.000 description 1
239000012530 fluid Substances 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
239000012535 impurity Substances 0.000 description 1
235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
150000002681 magnesium compounds Chemical class 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000002674 ointment Substances 0.000 description 1
238000011017 operating method Methods 0.000 description 1
238000005456 ore beneficiation Methods 0.000 description 1
230000008520 organization Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
150000004686 pentahydrates Chemical class 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000012047 saturated solution Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
239000000344 soap Substances 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
238000010998 test method Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
238000007039 two-step reaction Methods 0.000 description 1
239000003981 vehicle Substances 0.000 description 1
239000002351 wastewater Substances 0.000 description 1

Landscapes

Separation Of Suspended Particles By Flocculating Agents (AREA)

CA292,977A 1973-12-27 1977-12-13 Separation de phase de calcium et du magnesium de certains effluents Expired CA1041736A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA188,957A CA1024671A (fr)	1973-12-27	1973-12-27	Separation des phases entre les constituants du magnesium et du calcium

Publications (1)

Publication Number	Publication Date
CA1041736A true CA1041736A (fr)	1978-11-07

Family

ID=4098787

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA188,957A Expired CA1024671A (fr)	1973-12-27	1973-12-27	Separation des phases entre les constituants du magnesium et du calcium
CA292,977A Expired CA1041736A (fr)	1973-12-27	1977-12-13	Separation de phase de calcium et du magnesium de certains effluents

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA188,957A Expired CA1024671A (fr)	1973-12-27	1973-12-27	Separation des phases entre les constituants du magnesium et du calcium

Country Status (1)

Country	Link
CA (2)	CA1024671A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5510037A (en) *	1993-02-12	1996-04-23	Tastayre; Gilles	Regeneration of used cleaning solution

1973
- 1973-12-27 CA CA188,957A patent/CA1024671A/fr not_active Expired
1977
- 1977-12-13 CA CA292,977A patent/CA1041736A/fr not_active Expired

Also Published As

Publication number	Publication date
CA1024671A (fr)	1978-01-17

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